modmachine: Add new module to access hardware, starting with physical memory.
Refactored from "stm" module, provides mem8, mem16, mem32 objects with
array subscript syntax.
diff --git a/py/builtin.h b/py/builtin.h
index db3ba63..6bec64f 100644
--- a/py/builtin.h
+++ b/py/builtin.h
@@ -101,5 +101,6 @@
extern const mp_obj_module_t mp_module_uheapq;
extern const mp_obj_module_t mp_module_uhashlib;
extern const mp_obj_module_t mp_module_ubinascii;
+extern const mp_obj_module_t mp_module_machine;
#endif // __MICROPY_INCLUDED_PY_BUILTIN_H__